package com.example.demo3.service;

import java.io.InputStream;

public interface MyTaskService {
    /**
     * 流程图
     *
     * @param processId
     * @return
     * @throws Exception
     */
    InputStream genProcessDiagram(String processId) throws Exception;

    /**
     * 带跟踪的流程图
     *
     * @return
     * @throws Exception
     */
    InputStream genTracePhoto(String processInstanceId) throws Exception;
}
